Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Copper Sulphate Gas Carbon Iron None of these Copper Sulphate Gas Carbon Iron None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ? Incineration Pyrolysis and Gasification All listed here Landfills Incineration Pyrolysis and Gasification All listed here Landfills ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Nylon Bakelite Melamine Decron Nylon Bakelite Melamine Decron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Increases the rate of the reaction Decreases the rate of reaction None of these Has no action on the rate of the reaction Increases the rate of the reaction Decreases the rate of reaction None of these Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
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